Giving delsym for the cough every 4-6 hrs as told by vet. He said tracea was fine he didn't cough when it was pushed on. Heart lunges sounded fine. Don't know what else to do. He has untreated seizures because they are only once or twice a month. I'm terrified he will have a seizure during bad coughing spells. What else can I do for him? He's 21 pounds chihuahua terrier mix